// 字符串插入变量和表达式。变量名写在 ${} 中，${} 中可以放入 JavaScript 表达式。
let name =`Mike`
let age = 27
let info = `My Name is ${name},I am ${age + 1} years old nextt year.`
console.log(info) // My Name is Mike,I am 28 years old nextt year.

let fun = `function(){
    console.log('hello')
}`

console.log(fun) // function(){console.log('hello')}
